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CNCF-hosted Co-located Events Europe 2025 taking place on 1 April. This event is happening in person at Excel London in London, England.

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Venue: Level 3 | ICC Capital Suite 7-9 clear filter
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Tuesday, April 1
 

09:00 BST

CiliumCon | Welcome + Opening Remarks - Hemanth Malla, Program Co-Chair & Denis Jannot, Cilium Community Member
Tuesday April 1, 2025 09:00 - 09:05 BST
Speakers
avatar for Hemanth Mall
avatar for Denis Jannot

Denis Jannot

Senior Director, Product Excellence, solo.io
Denis is Senior Director of the Product Excellence team at Solo.io, a company building application networking solutions for the edge and service mesh. Denis is a passionate engineer who has spent his career in technical roles working directly with customers and users in architecting... Read More →
Tuesday April 1, 2025 09:00 - 09:05 BST
Level 3 | ICC Capital Suite 7-9
  CiliumCon

09:10 BST

That’s Just My Cup of Tea: Configuring Cilium for Performance and Scale - Liz Rice, Isovalent at Cisco & Neha Aggarwal, Microsoft
Tuesday April 1, 2025 09:10 - 09:35 BST
Cilium’s out-of-the-box default settings prioritize compatibility over performance, making it easy to deploy and get started. However, for production-grade environments, it’s essential to tune the settings to unlock Cilium’s full potential for performance and scalability.

In this talk, we’ll explore settings and options that make a real difference, from eBPF-based host routing and kube-proxy replacement, to eBPF map sizing and multi-cluster setups. We’ll also look at cutting-edge features like BIG TCP and Netkit, and future performance features the project has on the roadmap. Whether you’re looking to optimize your performance or scale to the next level, we’ll provide the tools to get your Cilium environment running at top speed—without “waiting for the kettle to boil”!
Speakers
avatar for Neha Aggarwal

Neha Aggarwal

Principal Software Engineer Manager, Microsoft
Neha is a Principal Group Engineering Manager in Azure Core Organization and is a leader in enabling Container Networking for cloud native applications. She drives critical initiatives, such as enhancing networking capabilities in cloud native applications, ebpf powered Cloud native... Read More →
avatar for Liz Rice

Liz Rice

Chief Open Source Officer, Isovalent at Cisco
Liz Rice is Chief Open Source Officer at Isovalent, now part of Cisco. Currently on the boards of the CNCF and OpenUK, she was chair of the CNCF's Technical Oversight Committee 2019-2022, and Co-Chair of KubeCon + CloudNativeCon in 2018. She is an award-winning speaker, and the author... Read More →
Tuesday April 1, 2025 09:10 - 09:35 BST
Level 3 | ICC Capital Suite 7-9
  CiliumCon, Technology

09:45 BST

High-Scale Networking for ML Workloads With Cilium - Luigi Zhou, G-Research
Tuesday April 1, 2025 09:45 - 10:10 BST
In G-Research’s ML environment of over 10,000 nodes, we leverage Cilium as the core network for on-premise, bare-metal clusters scaling to 1,000 nodes each. In this talk, we’ll discuss several Cilium features used in detail:
● Network policy to enforce strict security controls for segmenting and protecting market-sensitive information
● Host firewall to remove the need for external firewall appliances
● High-performance eBPF dataplane that directly improves ML job performance

We’ll also cover the implications of limiting Cilium’s identity labels to reduce policy map pressure, tuning conntrack garbage collection, and the performance implications of different policies at scale. Attendees will learn how to use Cilium’s built-in tools to observe and measure large deployments, and what to look out for in large Kubernetes clusters.
Speakers
avatar for Luigi Zhou

Luigi Zhou

Senior Kubernetes Engineer, G-Research
Luigi is a seasoned Kubernetes Engineer with experience designing and implementing Kubernetes at scale in on-prem environments, with a focus on automation and scalability.
Tuesday April 1, 2025 09:45 - 10:10 BST
Level 3 | ICC Capital Suite 7-9
  CiliumCon, Use Cases

10:15 BST

Sponsored Keynote: TBA, Isovalent at Cisco
Tuesday April 1, 2025 10:15 - 10:20 BST
Tuesday April 1, 2025 10:15 - 10:20 BST
Level 3 | ICC Capital Suite 7-9
  CiliumCon

10:40 BST

Improving Network Efficiency: The Power of Integrating Delegated IPAM With Cilium - Tamilmani Manoharan & Will Daly, Microsoft
Tuesday April 1, 2025 10:40 - 11:05 BST
Curious how Azure integrated our native IPAM implementation with Cilium through the power of open standards? The secret is "Delegated IPAM", a widely used part of the CNI specification. Unlike other IPAM implementations that embed vendor-specific code in Cilium itself, delegated IPAM allows seamless integration with any platform using out-of-tree plugins. Azure users benefit from fast, scalable IPAM and native routing that avoids the encapsulation overhead of Cilium tunnel mode. Delegated IPAM acts as a bridge combining the benefits of both worlds without any compromises. Session participants will learn how to leverage delegated IPAM to provide similar integrations for cloud or on-prem environments with zero changes in the Cilium code.
Speakers
avatar for Will Daly

Will Daly

Principal Software Engineer, Microsoft
Will is a software engineer at Azure Kubernetes Service working on container networking.
avatar for Tamilmani Manoharan

Tamilmani Manoharan

Principal Software Engineering Manager, Microsoft
Tamilmani is Software engineering Manager who leads container networking dataplane team in Azure. His experience and interests are centered around Container Networking, datapath, building efficient and scalable service. Outside of work, he enjoys playing Tennis and Badminton.
Tuesday April 1, 2025 10:40 - 11:05 BST
Level 3 | ICC Capital Suite 7-9
  CiliumCon, Technology

11:15 BST

Simplifying Multi-Cluster Networking With Cilium and MCS-API: A Technical Deep Dive - Arthur Outhenin-Chalandre, Ledger & Marco Iorio, Isovalent at Cisco
Tuesday April 1, 2025 11:15 - 11:40 BST
Multi-Cluster Services API (MCS-API), a standard driven by SIG Multicluster, extends Services across multiple clusters and is now supported in Cilium. While Cilium already enables multi-cluster services via annotations, MCS-API support brings it to the next level: create a ServiceExport resource referencing an existing Service to make it available to all clusters, enjoy DNS integration through the clusterset.local domain, and support for advanced features like Gateway API. All complemented by EndpointSlice synchronization, to enable external ingress controllers and more.

In this deep dive talk, expect to learn about the Cilium Cluster Mesh architecture, how we implemented MCS-API support, and all the lessons we learned along the way. We’ll also demo scenarios unlocked by MCS-API support and hidden secrets like how we (ab)used the Kubernetes EndpointSlice controller to reconcile EndpointSlices from remote clusters with very minimal code changes.
Speakers
avatar for Arthur Outhenin-Chalandre

Arthur Outhenin-Chalandre

Site Reliability Engineer, Ledger
Arthur works as a Site Reliability Engineer at Ledger. He has always been keen to adopt and contribute to various open source software in order to build reliable high performance infrastructures and improve developers productivity. He is a Kubernetes and container enthusiast and... Read More →
avatar for Marco Iorio

Marco Iorio

Senior Software Engineer, Isovalent at Cisco
Marco Iorio is a software engineer at Isovalent, which is now part of Cisco, working on cloud-native networking, with specific focus on multi-cluster solutions. Marco holds a PhD in computer engineering. In his spare time, he loves traveling and relaxing with crossword puzzles.
Tuesday April 1, 2025 11:15 - 11:40 BST
Level 3 | ICC Capital Suite 7-9
  CiliumCon, Meshes

11:45 BST

⚡ Lightning Talk: Agentic Bee: How To Get AI Agents To Talk To Tetragon - Himal Kumar, FlowPulse.AI
Tuesday April 1, 2025 11:45 - 11:55 BST
Tetragon delivers powerful runtime security logs, offering unmatched granularity. However, these detailed insights can overwhelm users with an endless stream of alerts and events. Usual approaches include tracing policy tuning, aggregating, and then visualising data on dashboards, however, not everything is meant for human consumption.

This talk introduces a fresh approach: integrating Tetragon’s runtime telemetry with LLM-powered AI agents. By leveraging a simple Retrieval-Augmented Generation (RAG) architecture, we enable AI agents to automate workflows directly on top of Tetragon events. These agents can perform tasks such as correlating vulnerabilities with runtime context and extracting actionable insights for human consumption—without relying on dashboards.
Speakers
avatar for Himal Kumar

Himal Kumar

Co-Founder, FlowPulse.AI, FlowPulse.AI
Himal is Co-Founder of FlowPulse.AI, and Co-Founder & CTO of Canopus Networks. Himal has years of experience in building production grade networking solutions and has engineered multiple products deployed in production networks. He has been a key contributor to many open-source SDN... Read More →
Tuesday April 1, 2025 11:45 - 11:55 BST
Level 3 | ICC Capital Suite 7-9
  CiliumCon, Use Cases

12:00 BST

⚡ Lightning Talk: Mastering Zero Downtime Migrations Between Cilium Identity Allocation Modes - Anton Ippolitov, Datadog
Tuesday April 1, 2025 12:00 - 12:10 BST
Cilium offers two options for storing security identities: KVStore mode and CRD mode. Both have their pros and cons when it comes to scalability, operational complexity and cost.

Previously, there wasn't a straightforward method to migrate live Kubernetes clusters between these two modes without incurring downtime. In this talk, we'll discuss the challenges Datadog faced and the upstream contributions we made in order to seamlessly migrate hundreds of clusters from KVStore to CRD mode without causing network disruptions for users.
Speakers
avatar for Anton Ippolitov

Anton Ippolitov

Senior Software Engineer, Datadog
Anton Ippolitov is a Senior Software Engineer working on Kubernetes and container networking at Datadog. Before joining the team, he has spent more than five years developing internal Data Engineering platforms and tooling. In his spare time, he is an avid concert-goer and sports... Read More →
Tuesday April 1, 2025 12:00 - 12:10 BST
Level 3 | ICC Capital Suite 7-9
  CiliumCon, Technology

12:15 BST

⚡ Lightning Talk: High Availability for Cilium Egress Gateway - Angelo Conforti, Corner Banca SA
Tuesday April 1, 2025 12:15 - 12:25 BST
Cilium is a leading CNCF project that has become the de-facto standard for Kubernetes networking. Among its many features is the Egress Gateway, which allows routing outgoing traffic from one or more workloads to a specific egress IP.
However, this feature lacks built-in high availability, and the egress IP must be managed externally. The Cilium HAEgress Operator (https://github.com/angeloxx/cilium-haegress-operator) addresses this limitation by providing a high-availability solution for egress traffic, ensuring continuity even in the event of node failures through dynamic virtual IP migration between nodes.
This lightning talk introduces the project, its current state, and future developments aimed at extending this standard Cilium feature.
Speakers
avatar for Angelo Conforti

Angelo Conforti

System Engineer, Corner Banca SA
Angelo is a System Engineer at Corner Banca SA. He embraced Kubernetes and container technology starting in 2017, but his experience spans IoT, VoIP, and highly available systems for Internet Service Providers. He loves technology, is a big fan of home automation, and can't stop integrating... Read More →
Tuesday April 1, 2025 12:15 - 12:25 BST
Level 3 | ICC Capital Suite 7-9
  CiliumCon, Technology

12:25 BST

CiliumCon | Closing Remarks - Hemanth Malla, Program Co-Chair & Denis Jannot, Cilium Community Member
Tuesday April 1, 2025 12:25 - 12:30 BST
Speakers
avatar for Hemanth Mall
avatar for Denis Jannot

Denis Jannot

Senior Director, Product Excellence, solo.io
Denis is Senior Director of the Product Excellence team at Solo.io, a company building application networking solutions for the edge and service mesh. Denis is a passionate engineer who has spent his career in technical roles working directly with customers and users in architecting... Read More →
Tuesday April 1, 2025 12:25 - 12:30 BST
Level 3 | ICC Capital Suite 7-9
  CiliumCon

13:25 BST

Istio Day | Welcome + Opening Remarks
Tuesday April 1, 2025 13:25 - 13:30 BST
Tuesday April 1, 2025 13:25 - 13:30 BST
Level 3 | ICC Capital Suite 7-9
  Istio Day

13:35 BST

A New Frontier: Sidecarless Service Mesh on Windows With Istio's Ambient Mesh - Keith Mattix & Mitch Connors, Microsoft
Tuesday April 1, 2025 13:35 - 14:00 BST
Over the past 8 years, service meshes have provided the Kubernetes and CNCF ecosystems with the networking capabilities necessary for a robust microservice architecture. However, Windows container users have often been unable to take advantage of these features because of the deep Linux dependencies. Until now.

In this talk, you'll learn about past efforts to bring service mesh to Windows, and how Istio's ambient mesh opened the door for a maintainable path forward for a sidecarless deployment topology. We'll learn how Rust, Envoy, and maybe even eBPF can bridge the gap between Linux and Windows for service mesh.
Speakers
avatar for Keith Mattix

Keith Mattix

Senior Software Engineer Lead, Microsoft
Keith Mattix is an Engineering Lead at Microsoft focused on Istio, Envoy, Gateway API, and other networking projects.
avatar for Mitch Connors

Mitch Connors

Sr Principal Software Engineer, Microsoft
Mitch Connors is a Principal Software Engineer at Microsoft, and serves on the Istio Technical Oversight Committee. Over the past 19 years, Mitch has worked at Google, F5 Networks, Amazon, an Industrial IoT startup, and State Farm Insurance, giving him a broad perspective on the needs... Read More →
Tuesday April 1, 2025 13:35 - 14:00 BST
Level 3 | ICC Capital Suite 7-9
  Istio Day, New Features

14:10 BST

Meshy Adventures: Surviving and Thriving in the Wild World of Istio at Scale - Yashwanth Vempati & Venkat Gattupalli, eBay
Tuesday April 1, 2025 14:10 - 14:35 BST
Transitioning from legacy monolithic applications to a modern service mesh comes with its own set of challenges, especially at scale. In this session, Yashwanth and Venkat will take you behind the scenes to explore how eBay adopted Istio for business-critical use cases previously reliant on hardware load balancers. They’ll share hard-earned insights and lessons learned from operating Istio across hundreds of clusters, tackling unique challenges in traffic distribution, and ensuring seamless business continuity during the transition.
The talk will dive into technical details, including the shift from hardware to Istio-powered service mesh, OS and kernel-level optimizations for scaling Istio to meet demanding business needs, and solutions to common pitfalls. This session offers an invaluable opportunity to learn from real-world implementations of Istio and gain practical insights on what works,and what doesn’t, when deploying service mesh at scale.
Speakers
avatar for Yashwanth Vempati

Yashwanth Vempati

Product Lead, eBay
Yashwanth is leading the product for eBay cloud, especially in Traffic and AI products. He works with various internal partners to transform eBay's business using cloud native products and technologies.
avatar for Venkat Gattupalli

Venkat Gattupalli

Sr. MTS, Software Engineer @ eBay Cloud, eBay
Venkat Gattupalli is a Traffic Engineering Lead at eBay, focusing on end to end traffic management of eBay applications running on multiple Kubernetes clusters. He is currently working on enabling service mesh at eBay’s scale and helping the company to transition to cloud native... Read More →
Tuesday April 1, 2025 14:10 - 14:35 BST
Level 3 | ICC Capital Suite 7-9
  Istio Day, Istio Recipes

14:50 BST

⚡ Lightning Talk: Troubleshooting Istio Ambient With Kiali 2.0 - Josune Cordoba & Hayk Hovsepyan, Red Hat
Tuesday April 1, 2025 14:50 - 15:00 BST
We will showcase how Kiali 2.0 enhances support for Istio Ambient Mesh and the Gateway API through a demo, providing advanced observability and management for Kubernetes environments. Deploying a sample application with traffic and network policies, we’ll use Kiali's interface to gain insight into traffic paths, Ambient Mesh components, and Istio configurations. With Kiali's new configuration wizards, managing Gateway API routing is streamlined, making it simple to set up and adjust traffic routes. By the end of the session, you'll gain a clear, simplified understanding of mesh infrastructure using Istio Ambient, demystifying the complexity of the Service Mesh.
Speakers
avatar for Josune Cordoba

Josune Cordoba

Senior Software Engineer, Red Hat
Josune studied computer enginnering at the University of Vigo (Spain). Upon completion, she started working in the system architecture department at Inditex, focusing mainly in Java and Javascript. Later, she worked for the Australian company Opmantek, which clients such as NASA or... Read More →
avatar for Hayk Hovsepyan

Hayk Hovsepyan

Senior Software engineer, Red Hat
Hayk is a Senior Software Engineer at Red Hat with eighteen years of overall experience in IT. An open source programmer, former QE and a father of four kids with a Master's Degree graduated from State Engineering University of Armenia. He likes a good whisky, hiking, and spending... Read More →
Tuesday April 1, 2025 14:50 - 15:00 BST
Level 3 | ICC Capital Suite 7-9
  Istio Day, Istio Recipes

15:20 BST

Navigating the Maze of Multi-Cluster Istio: Lessons Learned at Scale - Pamela Hernandez, BlackRock
Tuesday April 1, 2025 15:20 - 15:45 BST
Considering an Istio multi-cluster setup? Hear real-world lessons on balancing security with operational complexity, scaling configurations to hundreds of clusters, and designing for resilience and observability. Lessons learned from managing 244 clusters serving 570 million requests per day.

Adopting Istio in Kubernetes deployments often starts as an exciting journey, but challenges arise when scaling to support millions of services—issues not covered in basic guides.

This talk dives into the complexities of implementing a multi-cluster Istio service mesh at scale, covering a hub-and-spoke model. Key challenges include: ensuring secure client isolation; load balancing across different types of clusters; managing failover; and automating cluster lifecycle.

Whether you're planning your first multi-cluster Istio deployment or struggling with management at scale, this talk will provide actionable strategies to overcome the pitfalls of large-scale service mesh implementations.
Speakers
avatar for Pamela Hernandez

Pamela Hernandez

Software Engineer, BlackRock
Pam Hernandez is an Associate Software Engineer at BlackRock on the Software Defined Networking team. She specializes in Kubernetes, with a focus on Ingress, External DNS, and Istio service mesh, supporting stakeholder operations across hundreds of clusters. Pam worked on the design... Read More →
Tuesday April 1, 2025 15:20 - 15:45 BST
Level 3 | ICC Capital Suite 7-9
  Istio Day, Case Studies

15:55 BST

A Service Mesh Benchmark You Can Trust - Denis Jannot, solo.io
Tuesday April 1, 2025 15:55 - 16:20 BST
Service Mesh unlocks powerful capabilities for Kubernetes, enhancing observability, security, and traffic control. However, concerns about complexity and overhead have slowed adoption. This session debunks those myths! We’ll showcase how Service Mesh technologies have matured, offering approachable solutions with minimal impact. Istio’s Ambient mode exemplifies this shift, minimizing operational complexity and overhead. Many existing benchmarks raise doubts due to conflicting results. This session tackles this head-on! We’ll run a live, representative benchmark at scale (10s of nodes, thousands of Pods, thousands of RPS throughput) and dissect the metrics with the audience.
Speakers
avatar for Denis Jannot

Denis Jannot

Senior Director, Product Excellence, solo.io
Denis is Senior Director of the Product Excellence team at Solo.io, a company building application networking solutions for the edge and service mesh. Denis is a passionate engineer who has spent his career in technical roles working directly with customers and users in architecting... Read More →
Tuesday April 1, 2025 15:55 - 16:20 BST
Level 3 | ICC Capital Suite 7-9
  Istio Day, Istio Recipes

16:30 BST

GenAI Platform: Challenges of Authentication and Authorization in a Multi-Tenancy Environment - Lize Cai & Ahmad Hassan, SAP
Tuesday April 1, 2025 16:30 - 16:55 BST
As enterprises increasingly embrace generative AI, the necessity for secure, scalable cloud platforms grows. Our session explores the intricacies of traffic management, authentication and authorization within multi-tenant environments and how we addressed these through open-source tools.
Discover how Istio played a pivotal role in managing traffic and ensuring data security, ultimately enabling a secure and efficient AI platform that meets enterprise standards.
Speakers
avatar for Lize Cai

Lize Cai

Senior Software Engineer, SAP
Lize is a senior software engineer at SAP, based in Singapore. With a strong product mindset, Lize has extensive experience in building enterprise-grade machine learning platforms. A passionate advocate for open source technology, Lize actively contributes to various projects, including... Read More →
avatar for Ahmad Hassan

Ahmad Hassan

Senior AI Developer, SAP
Software Engineer with over 18 years of experience. I started my career as a C++ developer and later became skilled in Java Enterprise. For the past six years, I've been working on Cloud-native applications. Currently, I hold the position of Senior AI Developer and Platform Architect... Read More →
Tuesday April 1, 2025 16:30 - 16:55 BST
Level 3 | ICC Capital Suite 7-9
  Istio Day, Case Studies

17:00 BST

⚡ Lightning Talk: How To Get Istio Help - Rob Salmond, Superorbital
Tuesday April 1, 2025 17:00 - 17:10 BST
So you have Istio questions and you're looking for help? Good news! There's a large Istio community out there with considerable experience you can draw on. Bad news! It's full of very busy people who have jobs and deadlines and places to go and dogs to walk. So how can you get the answers your need? In the this ten minute talk we'll tour the places you can go to engage the community, and talk about the best ways to frame your questions so you can get the information you need and get back to what you were doing.
Speakers
avatar for Rob Salmond

Rob Salmond

Instructor, Superorbital
Recovering SRE and instructor specializing in Kubernetes and Istio training. Blocked by Mark Hamill for reformatting his YAML with OCaml.
Tuesday April 1, 2025 17:00 - 17:10 BST
Level 3 | ICC Capital Suite 7-9
  Istio Day, Istio Recipes

17:15 BST

⚡ Lightning Talk: Optimise Your Mesh With Istio Sidecar - Maggie Slukova, GetYourGuide
Tuesday April 1, 2025 17:15 - 17:25 BST
In an Istio service mesh, all workloads have to be continuously kept up to date with the latest cluster configuration. However, only few or no workloads communicate with every other workload. Keeping superfluous information up to date across the whole cluster creates unnecessary load and increases the cluster convergence time, which results in errors.

One way to optimise this behaviour is by leveraging the Istio Sidecar resource. Workloads specify egress hosts for the services they need to communicate with, updates are then sent only when an egress host IP address changes.

This talk will cover GetYourGuide’s adoption of the Istio Sidecar resource - trade offs of the implementation; rolling out high criticality configuration changes in a live cluster.

We will showcase how we reduced cluster convergence by 10x and eliminated all lag related networking errors by rolling out the Istio Sidecar resource across ~300 services without any incidents and with very little time investment.
Speakers
avatar for Maggie Slukova

Maggie Slukova

Site Reliability Engineer, GetYourGuide
Maggie is a backend engineer turned SRE with a background in Mathematics. Her areas of focus are Kubernetes, Istio, cluster optimisation, autoscaling and automation. She loves building things, be it software, infrastructure, furniture or games.
Tuesday April 1, 2025 17:15 - 17:25 BST
Level 3 | ICC Capital Suite 7-9
  Istio Day, Case Studies

17:25 BST

Istio Day | Closing Remarks
Tuesday April 1, 2025 17:25 - 17:30 BST
Tuesday April 1, 2025 17:25 - 17:30 BST
Level 3 | ICC Capital Suite 7-9
  Istio Day
 

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